Because you must enable hierarchical namespace for your account to use SFTP, all of the known issues that are described in the Known issues with Azure Data Lake Storage article also apply to your ...

Abstract: Azure SQL DB offers disaggregated storage architecture called Hyperscale. While this architecture provides storage scale out, it comes at the cost of performance of I/O from remote storage.

Azure Data Studio will be retired in February 2026. Therefore, this extension will not be developed further. Similar functionality for Visual Studio Code exists in extensions like: ColorTabs.